A new model of inner Earth pulls past information and hypotheses into a coherent story to clarify mantle motion. Scientists paint a story for a chemically complex inner earth, a model that sharply ...

While we can't see deep into the Earth, geologists have a variety of neat tricks to create a picture of our Earth's layers. Just like a kid's jawbreaker, Earth consists of layers that differ in ...

Earth is often described as a circle or an oval, but it is neither. As the planet spins more than 1,000 miles per hour at the equator, it develops a slight bulge around its middle. The result is what ...

Far beyond the blue sky and the familiar glow of the aurora, Earth is wrapped in a vast, ghostly shroud of hydrogen that stretches almost to the Moon. NASA’s new Carruthers Geocorona mission is ...

For most people, being described as a "flat Earther" is an insult. The idea of the Earth being flat is considered not only wrong, but a model of wrongness, the gold standard of being incorrect about ...

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

There is an odd dichotomy in human exploration: While we think nothing of going up -- jetting through the skies six miles up, skydiving from the edge of space, or launching humans hundreds or ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Jacco van Loon, Astronomer, Keele University Could ...